弧形的

This paper analyzes the problems occurred to a fined coal bunker arc-shaped valve pneumatic control system during its operation and at meantime an economic and practical version to modify the pneumatic control system to a hydraulic control system is proposed.

分析精煤仓弧形闸门的气动控制系统在工作中出现的问题，提出了一种经济、实用的改气动控制系统为液动控制系统的方案。

Suites on the fifth floor feature stunning, high curved ceilings that follow the arch of the barrel-vaulted roof, and large dormer windows allow light to flood in.

顶层套房的天花板均因应圆拱形的屋顶而采用和谐的弧形设计，还可开启一扇大型的斜窗，保持室内光线充足。

Radisson Hotel Shanghai New World (Epicure on 45) is 208 meters high above People's Square. At Radisson Hotel Shanghai New World (Epicure on 45), you can keep the wonderful scenery of People's Park, Nanjing Road Walking Street, Shanghai Arts Museum, Shanghai Grand Theater, etc. So the magnificence is your best reason to come here.

旋景餐厅位于上海市正中心---人民广场的208米高空，每90分钟转一圈，透过全透明的弧形落地窗放眼望去，人民公园、南京路步行街、上海美术馆、上海大剧院、苏州河、黄浦江和外滩的景色尽收眼底，客人无不被这里宏伟壮观的景色所震撼。

To meet the needs of the one-time entire construction of the superelevation,overlength,anti-leakage,curved fair-faced concrete wall,in this paper the construction process of the steel bar,template and concrete subentry project are introduced.

针对超高、超长、弧形、抗渗、清水混凝土墙体一次性整体施工的要求，介绍了其钢筋、模板、混凝土分项工程施工所采取的施工工艺，分析了该施工工艺的特点及具有的优越性。

Base on the summarization of the 50 years safety and high efficient coal mining achievements with hydraulic powered shield supports in Huainan coal mines the paper analyzed the rational layout of the gateway,optimized geometric parameters of thecoal mining face,improvement in potential,reform and invonvation,production process control,mien water and mine fire prevention and control,the siutbal conditions for the pseudo inclined coal mining with flexible shild support and other key technologies.

1概况1956年淮南煤矿先后试验了木结构的平板型、撬板形、"く"形、"人"形，钢结构的弧形、弓形、"く"形、"八"形等掩护支架，通过多次工业性试验并对所试验的掩护支架结构进行了一系列改革和完善，终于形成了目前所用的钢结构八字形掩护支架。以单腿支撑式掩护支架为例，八字形掩护支架是由钢梁、钢丝绳、垫板和绳卡、U形螺栓、扁铁、柱托、滑托板等组成。

Numerical calculation of FEM and experimental investigations are used in the present research. The influence of loading condition and size of indenter on the tensile strength of rock has been investigated. The results obtained by numerical calculation and experiments show that tensile strength of rock will increase with the increase of indenter size.

通过有限元数值计算与理论分析相结合的方法，对不同载荷接触条件和接触面宽度角下的岩石抗拉强度进行了深入分析，结果表明，在圆弧形和平台加载条件下计算的岩石抗拉强度随载荷接触宽度角α的增大而增大。

Polly's tree wears a valentine arc of tear-pearled bleeding hearts on its sleeve and, crowning it, one blue larkspur star.

波莉的树戴着一件情人节礼物泪珍珠的弧形饰物在它袖子上的荷包牡丹并，为它加冕，一颗蓝色的飞燕草星。

One high-profile existing dispute relates to the rights to the Lomonosov Ridge, a snaking undersea mountain chain that arcs over the top of the world, pointing towards Russia at one end and Canada and the Danish autonomous territory of Greenland at the other.

当前一轮如火如荼的争论与罗蒙诺索夫海岭相关，它是一座蛇形的海底山脉，呈弧形环绕在地球的顶端，一头指向俄罗斯，另一头指向加拿大以及丹麦的格陵兰岛自治区。

Environmental protection , Repetitive to use , self-repair, and reclaimed instead of wood resource; 5. Versatile Connecting , easy conjunction , short time , high efficiency , both men and women , saving manpower ,costs; 6. various shape, stype , circular , rhombus , arc type can be made by the orders of customer. More detail please enter our website :www.gzjszl.cn or www.gzjszl.cn

折叠式铝合金展览架最大的优点是： 1、外观美观、细腻、本产品全部采用高强度铝合金材料，经过阳极处理； 2、承受力强、连接性强、安全系数高、不易变型； 3、运输携带方便、省运输费、搭建费及装潢费； 4、环保性强，不会产生大量的垃圾，一次性投资可重复使用，可自行维修、使用后可回收不会对自然产生污染，代替了世界上的木材资源； 5、多功能组合、组装简易、时间短、效率高、男女皆可、节省大量人工、费用； 6、造型多样化、可根据客户的需要定做S型、菱形、圆形、弧形等。

Rock slopes and colluvial slopes are common natural slopes in mountain areas. For simplicity, the slope stability analysis is often performed by two-dimensional limit equilibrium methods in terms of circular slide surfaces, which are not usually found in rock and colluvial slopes.

岩石边坡及崩积层边坡为山坡地常的自然边坡，许多上述边坡的稳定分析，常简地假设破坏面为圆弧形，采二维的极限平衡法分析软体进动面的安全系计算，此常与实际的况一致。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。